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GB2374937B - Multi-coil electromagnetic focusing methods and apparatus to reduce borehole eccentricity effects - Google Patents

Multi-coil electromagnetic focusing methods and apparatus to reduce borehole eccentricity effects

Info

Publication number
GB2374937B
GB2374937B GB0128016A GB0128016A GB2374937B GB 2374937 B GB2374937 B GB 2374937B GB 0128016 A GB0128016 A GB 0128016A GB 0128016 A GB0128016 A GB 0128016A GB 2374937 B GB2374937 B GB 2374937B
Authority
GB
United Kingdom
Prior art keywords
coil electromagnetic
focusing methods
electromagnetic focusing
reduce borehole
eccentricity effects
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0128016A
Other versions
GB2374937A (en
GB0128016D0 (en
Inventor
Dzevat Omeragic
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Holdings Ltd
Original Assignee
Schlumberger Holdings Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schlumberger Holdings Ltd filed Critical Schlumberger Holdings Ltd
Publication of GB0128016D0 publication Critical patent/GB0128016D0/en
Publication of GB2374937A publication Critical patent/GB2374937A/en
Application granted granted Critical
Publication of GB2374937B publication Critical patent/GB2374937B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
    • G01V3/28—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device using induction coils

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB0128016A 2000-12-19 2001-11-22 Multi-coil electromagnetic focusing methods and apparatus to reduce borehole eccentricity effects Expired - Fee Related GB2374937B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/741,593 US6541979B2 (en) 2000-12-19 2000-12-19 Multi-coil electromagnetic focusing methods and apparatus to reduce borehole eccentricity effects

Publications (3)

Publication Number Publication Date
GB0128016D0 GB0128016D0 (en) 2002-01-16
GB2374937A GB2374937A (en) 2002-10-30
GB2374937B true GB2374937B (en) 2003-05-07

Family

ID=24981355

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0128016A Expired - Fee Related GB2374937B (en) 2000-12-19 2001-11-22 Multi-coil electromagnetic focusing methods and apparatus to reduce borehole eccentricity effects

Country Status (6)

Country Link
US (1) US6541979B2 (en)
AU (1) AU768404B2 (en)
CA (1) CA2361315C (en)
GB (1) GB2374937B (en)
NO (1) NO20016180L (en)
RU (1) RU2279697C2 (en)

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US6933726B2 (en) * 2003-08-05 2005-08-23 Schlumberger Technology Corporation Apparatus and methods for reducing borehole current effects
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US7138897B2 (en) * 2003-10-15 2006-11-21 Schlumberger Technology Corporation Induction measurements with reduced borehole effects
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US7091877B2 (en) * 2003-10-27 2006-08-15 Schlumberger Technology Corporation Apparatus and methods for determining isotropic and anisotropic formation resistivity in the presence of invasion
US7514930B2 (en) * 2003-12-02 2009-04-07 Schlumberger Technology Corporation Apparatus and method for addressing borehole eccentricity effects
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US7663363B2 (en) * 2004-02-09 2010-02-16 Baker Hughes Incorporated Method and apparatus for high signal-to-noise ratio NMR well logging
US7386430B2 (en) * 2004-03-19 2008-06-10 Schlumberger Technology Corporation Method of correcting triaxial induction arrays for borehole effect
US8736270B2 (en) 2004-07-14 2014-05-27 Schlumberger Technology Corporation Look ahead logging system
US7436184B2 (en) * 2005-03-15 2008-10-14 Pathfinder Energy Services, Inc. Well logging apparatus for obtaining azimuthally sensitive formation resistivity measurements
US7414405B2 (en) * 2005-08-02 2008-08-19 Pathfinder Energy Services, Inc. Measurement tool for obtaining tool face on a rotating drill collar
US8931335B2 (en) * 2006-04-07 2015-01-13 Baker Hughes Incorporation Processing of multi-component induction data in the presence of borehole abnormalities
WO2007127365A2 (en) * 2006-04-26 2007-11-08 Baker Hughes Incorporated Method and apparatus for correcting underestimation of formation anistropy ratio
WO2008008386A2 (en) 2006-07-11 2008-01-17 Halliburton Energy Services, Inc. Modular geosteering tool assembly
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US7778778B2 (en) * 2006-08-01 2010-08-17 Baker Hughes Incorporated Correction of multi-component measurements for tool eccentricity in deviated wells
US7629791B2 (en) * 2006-08-01 2009-12-08 Baker Hughes Incorporated Method and apparatus for making multi-component measurements in deviated wells
US8593147B2 (en) 2006-08-08 2013-11-26 Halliburton Energy Services, Inc. Resistivity logging with reduced dip artifacts
US7427862B2 (en) * 2006-09-29 2008-09-23 Baker Hughes Incorporated Increasing the resolution of electromagnetic tools for resistivity evaluations in near borehole zones
US20080224706A1 (en) 2006-11-13 2008-09-18 Baker Hughes Incorporated Use of Electrodes and Multi-Frequency Focusing to Correct Eccentricity and Misalignment Effects on Transversal Induction Measurements
CN101460698B (en) 2006-12-15 2013-01-02 哈里伯顿能源服务公司 Antenna coupling component measurement tool having rotating antenna configuration
US8085050B2 (en) * 2007-03-16 2011-12-27 Halliburton Energy Services, Inc. Robust inversion systems and methods for azimuthally sensitive resistivity logging tools
US7898260B2 (en) * 2007-04-10 2011-03-01 Baker Hughes Incorporated Method and apparatus for detecting borehole effects due to eccentricity of induction instruments
CA2686215C (en) 2007-05-08 2015-09-08 Schlumberger Canada Limited Determining borehole corrected formation properties
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US8193813B2 (en) * 2008-06-11 2012-06-05 Schlumberger Technology Corporation Measurement of formation parameters using rotating directional EM antenna
GB2473591B (en) 2008-07-10 2013-02-27 Schlumberger Holdings System and method for generating true depth seismic surveys
GB2472155B (en) 2008-12-16 2013-12-18 Halliburton Energy Serv Inc Azimuthal at-bit resistivity and geosteering methods and systems
WO2010141004A1 (en) 2009-06-01 2010-12-09 Halliburton Energy Services, Inc. Guide wire for ranging and subsurface broadcast telemetry
WO2011002461A1 (en) 2009-07-02 2011-01-06 Halliburton Energy Services, Inc. Borehole array for ranging and crosswell telemetry
US8230934B2 (en) 2009-10-02 2012-07-31 Baker Hughes Incorporated Apparatus and method for directionally disposing a flexible member in a pressurized conduit
WO2011090480A1 (en) 2010-01-22 2011-07-28 Halliburton Energy Services Inc. Method and apparatus for resistivity measurements
US8570044B2 (en) * 2010-03-01 2013-10-29 Westerngeco L.L.C. Providing measurements to enable determination of electrical resistivity anisotropy of a subterranean structure
US9581718B2 (en) * 2010-03-31 2017-02-28 Halliburton Energy Services, Inc. Systems and methods for ranging while drilling
GB2483596B (en) 2010-04-15 2016-01-27 Halliburton Energy Services Inc Processing and geosteering with a rotating tool
US8839856B2 (en) 2011-04-15 2014-09-23 Baker Hughes Incorporated Electromagnetic wave treatment method and promoter
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GB2556607B (en) * 2015-09-23 2021-12-15 Schlumberger Technology Bv Methods of estimating borehole and formation properties using an electromagnetic induction logging tool having random tool decenter positions during data acqu
US12326078B2 (en) 2023-07-19 2025-06-10 Halliburton Energy Services, Inc. Effective resistivity models for geosteering decisions

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GB2221309A (en) * 1988-07-11 1990-01-31 Centre Nat Rech Scient Determining in a borehole the azimuth and slope of a discontinuity layer in homogeneous terrain
US5115198A (en) * 1989-09-14 1992-05-19 Halliburton Logging Services, Inc. Pulsed electromagnetic dipmeter method and apparatus employing coils with finite spacing
GB2367366A (en) * 2000-05-30 2002-04-03 Halliburton Energy Serv Inc Method for iterative determination of conductivity in anisotropic dipping formations

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Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
GB2066475B (en) * 1979-12-31 1984-09-26 Schlumberger Ltd Apparatus and method of induction logging
GB2221309A (en) * 1988-07-11 1990-01-31 Centre Nat Rech Scient Determining in a borehole the azimuth and slope of a discontinuity layer in homogeneous terrain
US5115198A (en) * 1989-09-14 1992-05-19 Halliburton Logging Services, Inc. Pulsed electromagnetic dipmeter method and apparatus employing coils with finite spacing
GB2367366A (en) * 2000-05-30 2002-04-03 Halliburton Energy Serv Inc Method for iterative determination of conductivity in anisotropic dipping formations

Also Published As

Publication number Publication date
CA2361315C (en) 2004-05-04
AU8927001A (en) 2002-06-20
US20020113592A1 (en) 2002-08-22
GB2374937A (en) 2002-10-30
NO20016180L (en) 2002-06-20
NO20016180D0 (en) 2001-12-18
US6541979B2 (en) 2003-04-01
AU768404B2 (en) 2003-12-11
GB0128016D0 (en) 2002-01-16
RU2279697C2 (en) 2006-07-10
CA2361315A1 (en) 2002-06-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20131122